1997 Honda Accord Overheats at Idle

1997 HONDA ACCORD
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RAJIBAKHTER
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I have a Honda accord 97 with 127,000 miles. for last three days, if I turn on the AC, Heat indicator goes high. if i turn off the AC, it is good. i checked my coolant and it seems i have enough. i also added some. also, while AC is on, if i stop the car on red light or on stop sign, i starts shaking a bit. My guess is it is the AC Fan which is not working properly. please explain. Thanks.
Jul 17, 2006 at 3:48 AM
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MIKEYBDMAN
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Ok, I am assuming that the condensor fan is not running when you turn on the a/c. Check the Condensor Fan 20 amp Fuse in the Under hood fuse/relay box. If the fuse is good, then check for voltage on pin 2 of the condensor fan while the a/c is running. If you have power, then your fan is bad, or you have a bad ground. Check for a ground on pin 1 to eliminate that.
If you do not have power, then it could be the Condensor Fan relay, or the possibly the Engine Coolant Temperature Switch. This is located over the transmission.
good luck.
Jul 17, 2006 at 9:24 AM
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RAJIBAKHTER
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I want to thank you for the answer. I am really novice about the car. another thing i noticed is that, the engine temparature goes high when i am driving slow or stopping frequently. When i am driving on the highway, Engine temparatue is good. I do not have any problem at all regarding my AC. It is working fine. I only have problem with engine temparature. Please help. Thanks.
Jul 22, 2006 at 5:23 AM
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RAJIBAKHTER
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Thanks again. I checked the fuse and it seems good. the fuse is 15 amp in honda accord 97 if I am not mistaken. I do not know how to check the voltage on pin 2 or 1. I dont know where the pins are. could any one help? thanks again.
Jul 23, 2006 at 2:54 AM
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MIKEYBDMAN
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The condesor fan has a plug. You will need to disconnect the plug, and look to see which pin is 1 and which is 2.
Jul 23, 2006 at 8:20 AM
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RAJIBAKHTER
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In honda accord 97, if any of the relay goes bad, isnt it suppose to turn on the check sign of the car? thanks again.
Aug 8, 2006 at 8:44 AM
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Suggested Repair

Check the under-hood condenser fan fuse, then test power and ground at the condenser fan connector with the A/C on. If power is present, suspect a bad fan or ground; if not, check the condenser fan relay and the engine coolant temperature switch above the transmission.

Conversation Summary

The owner of a 1997 Honda Accord reported the temperature rising with the A/C on and slight shaking at stops, then clarified that the A/C works but the engine runs hot in slow traffic or frequent stops while staying normal on the highway. Coolant level had been checked. The expert advised testing the condenser fan fuse, power and ground at the fan connector, and, if needed, the condenser fan relay or engine coolant temperature switch. The diagnosis was not completed.

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